what does my rooster have on his face

[birdmaniac3000]

he has some yellow stuff inside his mouth going inward on his right side of his muth not sure what it is and dont know what is the scam or what ever it is on his face if anyone can help me to see what it is and how to cure him thanks

 

[Pullet Surprise]

Fowl Pox maybe??? I have never seen it in person, but that kind of looks like how I have heard it described.

 

[willowbranchfarm]

Yep thats fowl pox.

 

[liz9910]

x2 my Welsummer had it BAD took at least 2 months to completely disappear. Now's she's having a hard molt. Poor thing.